# Delta vs Body.build

The clearest difference is in-app purchases: Body.build at none against Delta's 1. Body.build also leads on iOS requirement (13.0 vs 17.0). Delta's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Delta sells 1 one-off in-app purchase. Body.build asks for nothing beyond the download.

Delta ships an update every 11 days, Body.build every 6 weeks. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Delta | Body.build |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 6 weeks |
| Size | 17 MB | 31 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Marcel Timm](https://appshunter.io/developer/1846068948) | [Dieter Plaetinck](https://appshunter.io/developer/1850774874) |

## What reviewers say

### Delta

[App page](https://appshunter.io/ios/app/delta-tdee-tracker/id6753978074)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delta Unlimited | $2.99 | one-time |


### Body.build

[App page](https://appshunter.io/ios/app/bodybuild/id6754889919)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Delta free?

Delta is free to download, with in-app purchases available.

### Is Body.build free?

Body.build is free to download, with no in-app purchases.

### Do Delta or Body.build have ads?

Neither Delta nor Body.build shows ads.

### Which is updated more often, Delta or Body.build?

Delta ships an update every 11 days, and Body.build every 6 weeks. Most recently, Delta was updated on October 11, 2026 and Body.build on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*